From 7f58db19554ff07e7915e40f140a4bdf30b4ddf4 Mon Sep 17 00:00:00 2001
From: Deukhoofd <Deukhoofd@gmail.com>
Date: Mon, 21 Jan 2019 14:38:01 +0100
Subject: [PATCH] Handle when C# calls a script function with null as parameter

---
 Upsilon/BaseTypes/ScriptFunction/ScriptRuntimeFunction.cs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Upsilon/BaseTypes/ScriptFunction/ScriptRuntimeFunction.cs b/Upsilon/BaseTypes/ScriptFunction/ScriptRuntimeFunction.cs
index bd18d2b..a21e39e 100644
--- a/Upsilon/BaseTypes/ScriptFunction/ScriptRuntimeFunction.cs
+++ b/Upsilon/BaseTypes/ScriptFunction/ScriptRuntimeFunction.cs
@@ -46,7 +46,12 @@ namespace Upsilon.BaseTypes.ScriptFunction
                 {
                     var parameter       = option.Parameters[index];
                     var parameterSymbol = ((UserDataVariableSymbol) parameter.VariableSymbol);
-                    var parameterType   = variables[index].GetType();
+                    var v = variables[index];
+                    if (v == null)
+                    {
+                        continue;
+                    }
+                    var parameterType   = v.GetType();
                     if (parameterSymbol.BoundTypeDefinition != null)
                     {
                         var validSymbol =